igeffrard0915 igeffrard0915
  • 17-05-2019
  • Mathematics
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What is the value for x?

What is the value for x class=

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kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 17-05-2019

ANSWER

y=10

x=5

EXPLANATION

The base angles of an isosceles triangle are equal.

This implies that:

8y-7=73°

Add 7 to both sides:

8y=73+7

8y=80°

y=10°

Interior angles of a triangle sums up to 180°

73+73+6x+4=180

150+6x=180

6x=180-150

6x=30

Divide both sides by 6

x=5

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